2120210103 has 16 divisors (see below), whose sum is σ = 3086407296. Its totient is φ = 1283948640.

The previous prime is 2120210101. The next prime is 2120210117. The reversal of 2120210103 is 3010120212.

It is not a de Polignac number, because 2120210103 - 2¹ = 2120210101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2120210101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17301 + ... + 67377.

It is an arithmetic number, because the mean of its divisors is an integer number (192900456).

Almost surely, 2^2120210103 is an apocalyptic number.

2120210103 is a deficient number, since it is larger than the sum of its proper divisors (966197193).

2120210103 is a wasteful number, since it uses less digits than its factorization.

2120210103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51374.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 2120210103 is about 46045.7392491423. The cubic root of 2120210103 is about 1284.6740941982.

Adding to 2120210103 its reverse (3010120212), we get a palindrome (5130330315).

The spelling of 2120210103 in words is "two billion, one hundred twenty million, two hundred ten thousand, one hundred three".